Dockerfile

# ── Stage 1: deps ─────────────────────────────────────────────────────────────
FROM node:22-slim AS deps
WORKDIR /app

COPY package.json pnpm-lock.yaml ./
RUN corepack enable && pnpm install --frozen-lockfile --prod

# ── Stage 2: builder ───────────────────────────────────────────────────────────
FROM node:22-slim AS builder
WORKDIR /app

COPY package.json pnpm-lock.yaml ./
RUN corepack enable && pnpm install --frozen-lockfile

COPY . .

# Build-time env vars (override in docker-compose or CI)
ARG NEXT_PUBLIC_SUPABASE_URL
ARG NEXT_PUBLIC_SUPABASE_ANON_KEY
ARG NEXT_PUBLIC_STELLAR_NETWORK=testnet
ARG NEXT_PUBLIC_HORIZON_URL=https://horizon-testnet.stellar.org

ENV NEXT_PUBLIC_SUPABASE_URL=$NEXT_PUBLIC_SUPABASE_URL
ENV NEXT_PUBLIC_SUPABASE_ANON_KEY=$NEXT_PUBLIC_SUPABASE_ANON_KEY
ENV NEXT_PUBLIC_STELLAR_NETWORK=$NEXT_PUBLIC_STELLAR_NETWORK
ENV NEXT_PUBLIC_HORIZON_URL=$NEXT_PUBLIC_HORIZON_URL
ENV NEXT_TELEMETRY_DISABLED=1

RUN pnpm run build

# ── Stage 3: runner ────────────────────────────────────────────────────────────
FROM node:22-alpine AS runner
WORKDIR /app

ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1

RUN addgroup --system --gid 1001 nodejs \
 && adduser  --system --uid 1001 nextjs

COPY --from=builder /app/public ./public
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

USER nextjs
EXPOSE 3000
ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

CMD ["node", "server.js"]